code: def execute(self, idx, expdir, queue):
      print("Here Check 9 yy")
      self.choice(queue).execute(idx, expdir, queue)
  
imports: from subprocess import Popen, PIPE
  from threading import Thread, Lock
  from queue import Queue
  from time import sleep
  from sys import stderr
  import re
  import json
label_desc: Use image node_id 4 for calling the ClusterController obj's underlying member method code with example usage: obj.execute(idx, expdir, queue) without return types